body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: #333;
}

header {
    background-color: #333;
    color: white;
    padding: 20px 0;
    background-image: url("https://sp-enterprises.fi/sp-icon144.png");
    background-repeat: no-repeat;
}

.container {
    width: 80%;
    margin: 0 auto;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
    text-align: center;
}

nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.2em;
}

main {
    padding: 40px 0;
}

.category {
    margin-bottom: 40px;
}

.category h2 {
    font-size: 2em;
    color: #333;
}

.category p {
    font-size: 1.1em;
    line-height: 1.6em;
}

.product-roll {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding: 20px 0;
}

.product {
    min-width: 200px;
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
    background-color: #f9f9f9;
}

.product img {
    max-width: 100%;
    height: auto;
}

.product h3 {
    font-size: 1.2em;
    margin: 10px 0;
}

.product p {
    font-size: 1em;
    color: #666;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

footer p {
    margin: 0;
}